Do I need a primer for this color?
Some colors, especially yellows, reds and oranges, and other dark accent colors, are considered to be “poor hiding” colors. That means they usually need a primer because, despite their strong, vibrant color, they’re not good at hiding the color they’re covering.
Using a grey (under dark colors) or tinted (under light colors) primer can help you avoid having to apply multiple coats of paint. A tinted primer helps prepare the existing surface for color. You’ll typically only need to apply two coats of paint over tinted primer to get that perfect result. ECOS colors that benefit from additional coats or a tinted primer are marked in our color library (select Fan Deck View) with a roller icon 
Still trying to figure out if you need a primer? Click here to print a zig-zag patterned card you can use to test your paint sample.
Please note: this guidance is specifically related to color selection. We recommend using one of our primers if painting over a higher gloss finish, a darker color, or applying an accent color, or if applying over bare or heavily sanded surfaces.
Painting Tips to Improve “Hide"
- Choose a high-quality paint like ECOS.
- Combine multiple cans of the same color before painting.
- Stir paint thoroughly before painting.
- Don’t thin or dilute the paint with water.
- Use the correct primer as described above, or when you’re applying paint over a porous surface.
- Spread the paint evenly and smoothly.
- Allow the full drying time between coats.
- Use high-quality brushes, rollers, and tools.
Radiator Paint
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Radiator Paint is a high sheen strong bonding paint, designed specifically for the temperature extremes of hot water radiators. water-based, non-toxic, and VOC-free. Not suitable for steam or electric storage radiators....More Details
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Steps to Purchase
Colors on screen do not necessarily provide an accurate representation. Getting a sample or free card is recommended prior to ordering.
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ECOS Interior Radiator paint is a high sheen, protective finish designed specifically for the temperature extremes of hot water radiators. Not suitable for steam, or electric storage radiators which run at even higher temperatures and require specialized finishes.
When selecting paint for your radiator or other substrate, we recommend placing your hand on the surface for one minute, if you can withstand touching the hottest surface area for that duration, our Radiator Paint should work for your application
- ✔ Zero VOC1
- ✔ Non-Toxic2
- 1Conforms to CDPH 01350 (VOC emissions test taken at 14 days).
- 2Conforms to ASTMD-4236, specifically concerning oral toxicity, skin irritation and respiratory effects.
Click buttons below to download data sheets
Radiator SDSClick to download
Radiator Application InstructionsClick to download
Radiator CDPHClick to download
Radiator Paint
Add all surfaces to be painted then remove openings, like doors and windows
Coverage Calculator
| Product Label | |
| Preparation | Surfaces should be cold, clean, dry and free from rust, grease and polish residues. If in doubt clean with mild detergent and Scotchbrite® (or similar) plastic scouring pad. Rinse and dry thoroughly. All bare metal should be primed with two coats of ECOS Stainblock. NOTE: For bare cast iron or blast-cleaned radiators, ask for advice. |
| Application and Clean Up | Do not thin. Stir gently and thoroughly before use. Using only best quality soft paint brushes, work progressively along the radiator. Do not over-brush, layoff, or go back over painted areas. Paint only onto cold radiators - do not force-dry. Best results are normally achieved with two coats. Radiators can be put back into service only when the paint film is dry. Normally touch dry in 1-2 hours. Allow at least 8 hours between coats. Avoid temperatures below 41°F (5°C) and above 68°F (20°C). Clean equipment and brushes with water. |
| Coverage | 400 sq. ft. per gallon |
| Recommended coats | 2 |
| Product Code | 700355463849 |
Select a Color
Simply select A, B, or C to choose your perfect color.
- AChoose an ECOS color by name
- BBrowse our colors
- CRequest a color match
Color Match
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ECOS Colors
